baber/WOPTO huggingface dataset:
Patent GB-1509740-A (GB)
Title: Spray gun for atomizing paint or other similar products
IPC: B05B5/03
Filed: 1975-10-23
Abstract: 1509740 Spray - producers S K M 23 Oct 1975 [14 Nov 1974 10 March 1975] 43562/75 Heading B2F A spray head for use in the hydrostatic atomization of paint comprises an atomizing nozzle 13 with an elongated outlet 13a for producing a flat, fan - shaped jet of paint, and a pair of bosses 38, 39 defining transverse air passages 36, 37 set back from the front end of the nozzle so that compressed air supplied to said passages through axial passages 40, 41 impinges on the nozzle and is deflected thereby to produce a pair of flat sheets of air disposed one on either side of the jet of paint. In Fig. 2 (not shown) two further transverse air passages (42, 43) are provided in the same axial plane as and parallel to the passages 36, 37 said further passages being directed just behind the front end of the nozzle. Figs. 4 to 12 (not shown) depict various alternative arrangements for the transverse air passages. Fig. 3 (not shown) depicts a sprayhead for an electrostatic spray gun in which a pointed primary electrode (31) is mounted downstream of the nozzle and a secondary electrode (32) is mounted on the opposite side of the sheet of paint.
Patent GB-1194260-A (GB)
Title: Process for the Polymerisation of Vinyl Chloride and the Polyvinyl Chloride so obtained
IPC: C08F14/00
Filed: 1967-09-25
Abstract: 1,194,260. Polymerizing vinyl chloride. A.C.S.A. APPLICAZIONI CHIMICHE S.p.A. 25 Sept., 1967 [24 Sept., 1966 (2); 13 April, 1967], No. 43592/67. Heading C3P. Vinyl chloride is polymerized or copolymerized in bulk (including the use of minor amounts of diluent) at below 0 C. in the presence as catalyst of (a) an organic hydroperoxide, (b) sulphur dioxide and (c) an alcoholate of a Group I or II metal or aluminium and a C 1 -C 6  linear or branched chain alkanol in which the molar ratio RO: SO 2  is not greater than 2. The hydroperoxide is used in an amount of 0À01- 3% by wt. of monomers, sulphur dioxide up to 3% such that the molar ratio to hydroperoxide is 15: 1 to 1: 15 and the alcoholate 0À01-5%. The alcoholate is added in solution, preferably also containing the sulphur dioxide e.g. in an alcohol, nitrile, chloroalkane, ester or tetrahydrofuran. A minor amount of a hydrocarbon or halohydrocarbon diluent may be added. Comonomers used in examples are methyl acrylate and vinyl acetate. Products have a degree of sydiotacticity above 1.8 and a Tg value above 95 C. and have a sulphonic acid end group.
Patent GB-1123575-A (GB)
Title: Pile fabric and articles made therefrom
Inventor: SCHLEGEL NORMAN CHARLES
IPC: D03D27/00
Filed: 1965-10-14
Abstract: 1,123,575. Carpet underlays; brushes. SCHLEGEL MFG. CO. 14 Oct., 1965, No. 43672/65. Headings A4K and A4S. [Also in Division D1] Pile fabrics woven face-to-face and then cut into separate fabrics 15, 16 have a pile of stiff monofilaments 14 of polypropylene. Brushes. The cut fabric may be used as a brush, and may have a pad of foamed polyurethane attached to its back. As shown in Fig. 4, two fabrics are secured together back to back and formed into a tube having pile 22, 24 both inside and outside to constitute a surgical scrubbing brush, the inner pile serving to clean the fingers. Carpet underlays. The uncut double fabric 11, 12, 14 may be used as an underlay for carpets.
Patent GB-1051375-A (GB)
IPC: C07C17/395
Filed: 1964-10-28
Abstract: Halothane (2,2,2-trifluoro-1-chloro-1-bromoethane), containing as impurity one or more compounds of the formula CF3CX=CYCF3, where X is H, Br or Cl and Y is Br or Cl, is purified by intimately contacting it in the liquid phase with AlCl3, AlBr3 or SbCl5.  Granular or powdered AlBr3 or AlCl3, or liquid SbCl5 may be used. Alternatively the AlBr3 may be generated in situ by adding Al powder to impure halothane which also contains bromine.
Patent GB-1465068-A (GB)
Title: Apparatus for the positioning of elements more particularly building elements
IPC: E04G21/22
Filed: 1973-09-20
Abstract: 1465068 Bricklaying apparatus JOHN LAING & SON Ltd 6 Sept 1974 [20 Sept 1973] 44128/73 Heading E1S An apparatus for placing bricks and mortar to form a wall comprises an assembly 20 including means for dispensing mortar, e.g. a nozzle 84, prior to placing a brick, and gripper means, e.g. arms 35, for transferring a brick from a supply area to a predetermined place on the wall, this assembly 20 being rotatably mounted on a support 21 and having an indexing mechanism for rotating it and for accurately positioning it, and the support 21 being mounted for movement both parallel and normal to a guideway 13, which has alignment devices, e.g. telescopes, 15, 16 for positioning it relative to fixed marks. The nozzle 84 and the pair of gripper arms 35 are mounted on a pivoted linkage arrangement including a cam 78 and which is controlled by hydraulic piston- and-cylinder devices 40, 64, 75; the assembly is operable, (see Figs. 6 to 11, not shown) to move the nozzle 84 along a horizontal and a vertical surface to apply mortar where a brick is to be placed, and then to move the gripper arms 35 to pick up a brick and place it in position, the arms 35 being connected by a hydraulic piston-and-cylinder device 44 to effect movement together and apart. The assembly 20 is rotatably mounted by a shaft 22 on the support 21, which has piston-andcylinder devices 114 operating pawl members which engage a ratchet wheel 112 on the shaft 22, for rotating the assembly 20 through 90‹ increments to align it along or across the wall, such positions being located by spring-loaded balls 122 engaging in recesses 123 in the shaft 22. The support 21 is carried by a member 19 slidable along a guideway 18 on a bracket 17 which is slidable along the perpendicular guideway 13, the latter being slidable on a vertical column 14 which is carried by an articulated boom on a vehicle.
Patent GB-1398417-A (GB)
Title: Process for carbonizing cellulosic material
IPC: C04B35/52
Filed: 1972-09-25
Abstract: 1398417 Carbon fibres CARBORUNDUM CO 25 Sept 1972 [4 Oct 1971] 44158/72 Addition to 1375634 Heading C1A In carbonizing cellulosic fibre materials, i.e. yarns, filaments or fabrics, the material is first treated with a solution of silicon tetrachloride or organo halo-silanes in an organic solvent which does not react with the silicon compound and then carbonizing the so-treated material by heating to a temperature of at least 1600‹ C. in a non-oxidizing atmosphere. The preferred organohalosilanes are silicon tetrachloride substituted with from 1 to 3 alkyl groups containing 1 to 3 carbon atoms. The preferred cellulosic material is rayon when the treated rayon is subjected to an intermediate drying step to remove the solvent before subjecting to the carbonizing step. During the carbonizing the rate of heating the treated rayon does not exceed 200‹ C./hour until a temperature of 800‹ C. has been achieved. At this point the material may be cooled for later carbonization at 1600‹ C., or it may be directly raised to 1600‹ C. at a greater rate.
Patent GB-1019647-A (GB)
Title: Improvements relating to apparatus for boiling water
Inventor: MCLEAY THOMAS WILLIAM
IPC: G05D27/02
Filed: 1963-11-11
Abstract: 1,019,647. Automatic control of fluid level and pressure. CAFETERIA & HOTEL EQUIPMENT Ltd. Nov. 11, 1964 [Nov. 11, 1963], No. 44383/63. Heading G3R. Apparatus for providing boiling water, e.g. for catering purposes, comprises a closed vessel having an outlet taken below water level, an electric immersion heater switched on by a pressure actuated switch below a predetermined pressure, and a solenoid operated inlet valve controlled by a level detector. The solenoid may be in series with the or another pressure switch to prevent water feed when the steam pressure above the water is low. The level detector may comprise a probe operating on change of resistance, and a time switch is placed in the electrical supply.
Patent GB-1436864-A (GB)
Title: Pigment azo complexes
IPC: C09B45/00
Filed: 1973-09-22
Abstract: 1436864 Azo metal complex pigments CIBA-GEIGY AG 23 Sept 1974 [22 Sept 1973] 44556/73. Heading C4P Tri- or tetra-dentate azo metal complexes have the formula wherein -A is aryl or heterocyclic, B is aliphatic, aryl or heterocyclic, R is alkyl, cycloalkyl, aryl, aralkyl or heterocyclic, or R is the atoms to complete, with B, a heterocyclic residue, R<SP>1</SP> is a carbon chain, which may form part of a carbocyclio ring, having from 1-3 carbon atoms between X and Y, X and Y are the same or different and each is O, S, N, CO 2  or N-R wherein R is as above, M is Cu, Zn or Ni, p is 1 or 2 and when p is 1, E is H attached to one of the residues A, B, R and R<SP>1</SP> and when p is 2, E is either a direct bond linking two residues A, B, R or R<SP>1</SP> or E is an alkylene, arylene or aralkylene group linking two residues A, B, R or R<SP>1</SP>. The pigments may be prepared by metallizing the appropriately coupled compounds. The pigments may be incorporated in plastic masses, melts or spinning solutions, and in particular may be used for the coloration of lacquers, paints and printing inks.
Patent GB-1446689-A (GB)
Title: Integrated dc converter circuit
IPC: H02M3/155
Filed: 1974-10-15
Abstract: 1446689 Transistor pulse oscillator circuits ITT INDUSTRIES Inc 15 Oct 1974 [20 Oct 1973] 44569/74 Heading H3T [Also in Division H2] In a D.C.-D.C. converter in which current in an inductor L R  is periodically interrupted by means of a complementary pair of transistors T1, T2, the base of the controlling transistor T2 being biased by means of a potential divider comprising a resistor R1 connected between the collector of the switching transistor Tl and the base of T2 and a switching device, such as transistor T3 connected between the base of T2 and the emitter of T1. The switching device T3 is arranged to be turned off by the emitter current of T1 before it reaches its maximum, so that a lower value resistor R1 may be employed, thus allowing the circuit to be integrated. As described T1, T2 are initially conductive, so that a current is allowed to build up in the inductor L R . When the current reaches a value determined by the combined current gains of T1, T2, the current in T2 tends to become reduced, giving a cumulative turn off of both transistors. The resulting overswing in the inductor is rectified at D and charges capacitor C. When the overswing reaches 0À6 v., T5 is turned on, turning on T6 and turning off T3. A further transistor T7 may be included to facilitate dissipation of stored charge. In Fig. 2 (not shown) T5 ... T7 are omitted and T3 is turned off by the rise in voltage across R4. In Fig. 4 (not shown) a further transistor is connected as shown in broken lines but has the base connected to a potential divider across the base/emitter path of T1. This arrangement tends to make the output voltage independent of the input.
Patent GB-1462895-A (GB)
Title: Food container for use in heating food with microwave energy
IPC: B65D81/34
Filed: 1974-10-15
Abstract: 1462895 Micro-wave oven trays TECKTON Inc 15 Oct 1974 44570/74 Heading A4D [Also in Divisions H3-H5] For preparing food in a micro-wave oven, a compartmented food tray 10, Figs. 3, 4; 70, Fig. 7 of a material transparent to micro-waves (e.g. polystyrene) is used in combination with a shielding box of a material opaque to micro-waves 28, Figs. 3, 4; 60 Fig. 7 which has apertures in registry with those compartments of the tray which will contain food intended to be heated, 42, 44, 46, 48, Figs. 3, 4 and 64, 64'; 66, 66'; 68, 68' Fig. 7. The apertures are of different sizes corresponding to the micro-wave absorbancy of the food to be heated. Where one compartment of the tray is not to be heated, 24 Fig. 4, the shielding box has no corresponding apertures and pins 55 co-operate with spring 50 at the top of wall 49 to prevent lateral ingress of micro-wave radiation. Spring 51, and engagement of pins 55 with spring 50 and wall 49 provide good electrical contact between lid and base of the box. The tray is moulded to have hollow walls 14 separating the compartments, into an asymmetrically situated one of which fits an upstanding element of the box 49 Fig. 3, 74 Fig. 7 to ensure alignment of the tray in the box. In use the tray is covered with a sheet of flexible micro-wave transparent plastics that is depressed by the lid of the box to contact the partition walls, thus preventing interchange of smells between compartments.
Patent GB-446126-A (GB)
Abstract: 446,126. Ignition systems. ARMSTRONG SIDDELEY MOTORS, Ltd., and FELL, L. F. R., Park Side, Coventry. Feb. 14, 1935, No. 4760. [Class 7 (iv)] The current distributed by the main distributer 12 is further distributed by auxiliary distributers 13 to leads 14 serving individual sparking plugs. Both main and auxiliary devices may be in duplicate. Some plugs may be served direct from the main distributer, for example, in engines where the number of cylinders is a prime number.
Patent GB-1330672-A (GB)
Title: Sewage sludge treatment process
Inventor: TELETZKE G H
IPC: C02F11/13
Filed: 1970-09-22
Abstract: 1330672 Treating sludge STERLING DRUG Inc 22 Sept 1970 [29 Sept 1969] 45116/70 Heading C1C A process for treating sewage sludge comprises heating the sludge for up to 240 sees. at 190-230 C., cooling the sludge rapidly to below 100 C and filtering the sludge to obtain a supernatant liquid having a colour value of below 3000 APHA units and a BOD 5  value of 2-6 g/l., the amount of oxygen present during the heating step being not greater than that required to reduce the COD of the sludge by 3%. In one process the sludge is mixed with a small amounted of gas, e.g. air, CO 2  or N 2 , passed through a heat exchanger to preheat it, passed through a reactor in which it is heated to 190- 230 C. by steam injection and passed again through the heat exchanger to cool it. Gases are separated from the cooled sludge which is then mixed with lime, alum or ferric chloride and allowed to settle in a settling tank. The settled sludge is vacuum filtered and passed to an incinerator. The liquid separated in the settling tank and by the vauum filter may be aerobically biologically treated and passed to an activated sludge system. The sludge may comprise primary, activated and/or digested sludges.
Patent GB-1411248-A (GB)
Title: Switches
IPC: G04C23/10
Filed: 1972-09-29
Abstract: 1411248 Time switches LICENTIA PATENT-VERWALTUNGS GmbH 29 Sept 1972 [30 Sept 1971 27 July 1972] 45168/72 Heading H1N A cam (7, or 102) which actuates a two-position contact rocker (8, or 105) is arranged to prevent the rocker moving back to its other position, as a result of shock, for example. As shown in Fig. 2, time-driven rotation of a shaft 3 is rendered stepwise by a star wheel (4, Fig. 1, not shown) with spring-pressed roller (6) such that noses of cam 7 impinge on lugs 16 and 17 alternately to snap the contact rocker 8 about its pivot 9. Overcentre tension spring 12 provides contact pressure, and between steps the nose of cam 7 remains behind the lug 16 or 17 which it has just acted upon to prevent snap back on rebound or shocks. The lug 16 is shorter than lug 17 and is closer to the pivot 9. A flexible connection 15 is provided to the moving contacts 8a and 8b. In the other embodiment a time-driven disc 112 (Fig. 4) carries detachable tappets 113a and 113<SP>1</SP>a which reciprocate cam 102 between positions located by a roller 104 on spring arm 103, an intermediate lever 114 enabling tappet 113a to move cam 102 oppositely to tappet 113<SP>1</SP>a. The flanks 102b and 102c of a notch 102a in cam 102 act alternately on lug 111 of contact rocker 105 to snap it over under action of overcentre leaf spring 109, and then remain in position to prevent rebound. A flexible connection (not shown) is provided to moving contacts 105a and 105b.
Patent GB-1184499-A (GB)
Title: Improvements in or relating to Centrifugal Clutches.
IPC: F16D43/18
Filed: 1967-10-04
Abstract: 1,184,499. Positive and friction clutches; variable ratio gearing. FICHTEL & SACHS A.G. 4 Oct., 1967 [7 Oct., 1966], No. 45203/67. Headings F2C and F2D. [Also in Division D1] In a centrifugal friction or positive clutch for a washing machine drive, comprising centrifugal masses 4, 4c forming clutch shoes (as shown) or pawls (Fig. 4, not shown) pivoted at 3 to a disc 2 secured on an input shaft 1, and movable into engagement with an output member 5 by centrifugal action against retaining springs 12, a locking member 8, 8c freely rotatable on the shaft 1 and frictionally engaged by a drag spring 10 secured to the output member 5, is engageable to retain the masses 4 in their disengaged position while the shaft 1 rotates faster than the output member 5. To release the lock, the shaft 1 is momentarily slowed to a speed less than that of the output member 5. The locking member 8 has undercut projections 9c (Fig. 5), undercut teeth (9) (Fig. 2, not shown), or undercut recesses 67 (Fig. 9), lockingly engageable with teeth 11c on the masses 4. The masses may include resilient plugs (70) (Fig. 8, not shown) to damp their impact against a ring (69) on the input shaft when power is shut off with the clutch engaged. Washing machine two-speed drive.-In Fig. 6, a pulley 6 formed on the output member 5 drives a washing drum. For washing, the member 5 is driven at low speed from the shaft 1, the centrifugal clutch being locked disengaged, via a planetary reduction gear having a sun 34, stepped planets 41, a reaction annulus 43, and an output planet carrier 37 connected by a double-acting overrunning clutch 46 of the type described in Specification 988,919 to the output member 5. At the end of the washing cycle, the motor is switched off for a short period to allow the shoes 4 of the centrifugal clutch to be released, the inertia of the drum maintaining the speed of the output member 5. The motor is then re-energized to drive the output member directly via the centrifugal clutch for spindrying, with clutch 46 overrunning. In Fig. 10, washing cycle drive from a motor 108 is via a member 82, a double-acting overrunning clutch 86, and pulleys 77, 89, the centrifugal clutch output member 75 being driven faster than the input shaft 71 via pulleys 90, 76. For spin-drying drive, the centrifugal clutch 74, 75 is engaged as above, and clutch 86 overruns. A dual-speed pole change motor may be used to give additional speeds.
Patent GB-1420626-A (GB)
Title: Auto-loading firearm
IPC: F41A19/02
Filed: 1972-10-02
Abstract: 1420626 Gas operated multi firing mode rifles STURM RUGER & CO Inc 1 Oct 1973 [2 Oct 1972] 45390/72 Heading F3C In a gas operated auto-loading rifle with a fixed barrel 10 and a longitudinally movable bolt 12, an activator link positioner 73 pivotable on a frame is positionable in a rearmost position for placing a firing mechanism in a single shot firing mode, an activator link 76 pivotable on the positioner being held against actuation so that after a single shot, a secondary sear 40 pivotable on the frame retains a hammer 42 until, upon return of a pivotable trigger 15, a primary sear 38 of the trigger retains the hammer; in an intermediate burst firing mode position of the positioner 73, the link 76 is moved so that it engages a longitudinal rocker arm 87 pivoted on the frame whereby upon bolt forward movement, the rear arm end rises to cause a sear disengager arm 80 of the link to raise a sear support member 96, by contact with a surface 114 of an interrupter disc 103 rotatably mounted in the forward end of the member 96, to disengage the secondary sear for subsequent firing; mounted rotatably with the disc 103 is a ratchet wheel 104 which is indexed one tooth per shot by a pawl 117 pivotally mounted on the hammer 42 so that after a predetermined number of shots indexing of the disc provides a or one notch 115 for reception of the arm 80 to prevent actuation of the secondary sear and further firing; in a forwardmost continuous firing mode position of the positioner 73, the link 76 is moved forwardly so that the arm 80 cannot enter the notch(es) 115 so that continuous firing occurs. During single shot firing return of the trigger 15 causes a lug 100 thereon to raise the member 96 to disengage the secondary sear 40 from the hammer 42 but with the' primary sear 38 engaging the hammer. The link 76 is held by engagement of a lug 123 of the trigger 15 with a surface 82 of the link and by a pin 35 acting as the trigger pivot engaging a slot. 81 of the link. In the other firing modes, a pin 79 of the link 76 engages a fork of the rocker arm 87 which is spring biased for rear end depression but which is raised by engagement of a finger 89 thereof with part of the bolt 12 when the latter is in its forwardmost position. The firing modes are chosen by manual adjustment of a selector assembly 57 which, via a pin 67 thereof and a slot 77 of the positioner 73, positions the link 76. The disc 103, and the wheel 104 are held after each index movement by a spring biased plunger 110 enaging recesses 109 of the disc. The 'secondary sear 40 and the support member 96 may be integral or separate but both pivotable on the trigger pivot. Bolt recoil is by a gas operated slide with spring return.
Patent GB-976497-A (GB)
Title: Improvements in or relating to pneumatic tyres of the readily replaceable tread type
IPC: B60C9/20
Filed: 1963-11-19
Abstract: 976,497. Pneumatic tyres. PIRELLI S.p.A. Nov. 19, 1963 [Dec. 5, 1962], No. 45577/63. Addition to 864,909. Heading B7C. In order to permit the distribution of concentrated stresses or shocks and to give a greater protection against punctures, the replaceable tread tyre disclosed in the parent Specification is modified by the provision of at least one pair of layers 3, 4 of metallic cords disposed radially outwardly with respect to the cincture 2, the cords being parallel to one another in each layer with the cords in one layer being crossed with respect to the cords in the other layer symmetrically with respect to the mid-plane of the tyre. The cord angle of the layers 3, 4 may be between 25 and 65 but is preferably between 30 and 50 degrees to the mid-plane of the tyre, and the diameter of the cords in these layers is preferably one-third of the diameter of the cincture cord.
Patent GB-1481322-A (GB)
Title: Apparatus for drawing a string of sausages through a peeler
IPC: A22C11/00
Filed: 1974-10-22
Abstract: 1481322 Skinless sausages VISKASE Ltd 7 Oct 1975 [22 Oct 1974] 45620/74 Heading A2B A standard peeler A comprising a guide in shute 1 a channel 2, a knife (not shown) projecting into the channel and an idler roller 3 round which the slit casing is pulled, is bolted to the housing 10 of an apparatus B. Pinch rollers 14 and 15 mounted on shafts 16 and 17 are positioned above 10 so that when through the slit casing. In the gear train 19 driven in opposite directions the rollers pull the pulley 25 drives the shaft 16 which carries a first gear wheel 26 which in turn drives a first intermediate idler wheel 28. Wheel 28 drives a second intermediate gear wheel 29 and this wheel drives gear wheel 30 fast to shaft 17. In addition wheel 30 is mounted on an arm (31) pivoted at the centre (32) of wheel 29 to enable wheel 30, the shaft 17 and roller 15 to prove through a small arc about (32) and to enable 14 and 15 to be forced slightly apart. An electromagnetically operated brake mechanism 22 actuated by switch 23b enables the motor 18 to be stopped rapidly.
Patent GB-1043268-A (GB)
Title: Stock inlet for a headbox of a paper making machine or the like
Inventor: JORDAN THOMAS SALVADOR
IPC: D21F1/02
Filed: 1963-11-19
Abstract: 1,043,268. Paper-making. POTLATCH FORESTS INC. Nov. 19, 1963, No. 45696/63. Heading D2A. In a headbox of a paper-making machine stock is directed to impinge on the axial corrugations of a rotating roll 30 to spread axially therealong. The stock inlet may comprise a header 43 having a row of holes 44 to link it with cylindrical chamber 20, or a tapering pipe running parallel to roll 30 with a slot linking the pipe with chamber 20. A second inlet 45, 46 may be provided with holes 45  axially offset with respect to holes 44. Roll 30 preferably comprises a rubber sleeve 35 on a steel core 33. A suction forming box 13 is provided.